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how sinter pellet coke consumption

Iron Ore Pelletizing Process: An Overview | IntechOpen

Fines of anthracite or coke are also added during the pelletizing process for reducing the consumption of fuel required for internally heating the ball . ... These …

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How to Produce Green Coke?

from iron pellet and sinter iron, using coke. Coke is the reductant used to produce both sinter and pig iron. Also some small quantities of coal are used in pig iron production. In Fig. 8 the process indicated with dotted lines are not included

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Sintering and Briquetting Synergy in Blast Furnace Smelting

The modified blast furnace charge is also characterized by a decrease in skip sinter and dry skip coke consumption. The results of calculating the options of 10, 20, and 30% partial sinter replacement in the charge are provided. ... (up to 20 kg/ton of sinter and 2 kg/ton of pellets for sintering and pelletizing, respectively).

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Reduction of Iron Ore Pellets, Sinter, and Lump …

The BF is charged with metallurgical coke and iron burden materials including iron ore pellets, sinter, and lump ore. While descending in the BF the charge materials reduce. The iron-bearing materials …

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THE PERFECT SINTER PLANT

sinter quality, emissions, and gas-cleaning facilities are taken into consideration as well. Limits on the emission of sinter waste gas and quality parameters of the sinter produced are the two most important limiting factors. The typical benefits of this approach lie in the use of waste materials, which are normally rich in iron, flux, and

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Research and Development on Low Carbon Technologies of …

The energy consumption of pellet process is much lower than sintering process, and the CO 2 emission of pellet process is about 37% of sintering. The pellet can achieve low silicon (SiO 2 content to 2.0%), the sintering minimum of SiO 2 content is about 5%, improve the pellet proportion, the BF fuel consumption and CO 2 emission …

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Factors affecting Coke rate in a Blast Furnace – IspatGuru

Coke rate is the parameter for the consumption of BF coke which is measured in kilograms of BF coke consumed per ton of hot metal produced. ... If these fluxes are charged through sinter or pellets then the calcination reaction takes place outside the blast furnace and the blast furnace working volume is more effectively used …

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Iron Ore Pelletizing Process: An Overview

Fines of anthracite or coke are also added during the pelletizing process for reducing the consumption of fuel required for internally heating the ball . ... These mechanisms are typical of solid …

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Coke in the iron and steel industry

The main share of metallurgical coke is consumed in the steel industry to produce hot metal, which, in turn, is used as the main ingredient to make steel (Babich et al., 2016).Nut and breeze cokes as undersieve products of metallurgical coke are also widely used in the steel industry and, namely, in the BF and sintering processes, …

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Effects of Particle Size of Coke on Iron Ore Sintering Process

Coke breeze is the main heat source in sintering process. Its combustion yields enough amounts of heat which melts the sinter mix. One of the factors that …

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Blast Furnace Ironmaking

At the top coke and burden (sinter, pellets, lump ore, and flux) are charged in alternating layers. Charge materials descend under the influence of gravity. In the lower part of the furnace, hot blast from hot stoves is injected through tuyeres. ... Usually, the TGR-BF concept is accompanied with coke consumption of around 190–200 ...

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Effect of pellet size on pellet sintering process of …

The permeability of the sintering process can be significantly improved by the pellet sintering, but the excessive permeability will impact the heat accumulation of the sinter bed. Thus, it is very essential to clarify the influence of the pellet particle size on the heat transfer process of sintering. Therefore, pilot-scale sinter pot tests of pellet …

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(PDF) COMPARISON OF SINTER AND PELLET …

Specifically, the use of pellets results in a higher production of hot m etal per ton of. burden charged, lower slag ra te, lower coke …

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Partial substitution of anthracite for coke breeze in iron ore sintering

During the sintering process, sinter fuels are commonly used to provide the required energy. The coke breeze comes from coking plant (typically less than 3 mm in size) and is widely used due to ...

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Preparation of sinter with low reduction degradation index …

In order to further improve the low-temperature reduction degradation performance of separated granulation sinter, partial grinding coke was prepared into the pellet, and the effects of separated fuel ratio (the ratio of coke consumption in pellet to total coke consumption) on sintering performance were investigated, and the results …

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Agglomeration behaviour of steel plants solid waste and …

The most suitable pellets (5–8 mm) of wastes (blast furnace flue dust and sludge) are obtained with 4% bentonite binder, effectively used as one of the raw materials for sintering, which confirms the recirculation of wastes of plant efficiently utilized without deteriorating the quality of sinter. Use of wastes made pellets decreases the coke ...

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Blast Furnace Performance Under Varying Pellet Proportion

As a promising method to strengthen the blast furnace smelting and to realize reduced fuel operation, high-proportion pellet charging has become the practice of BF ironmaking. Use of pellet gives rise to uniform bed permeability in comparison with iron ore or sinter. This leads to better gas–solid contact resulting in higher productivity at …

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CO2 emission accounting and emission reduction analysis of …

The sintering and pellet processes use solid fuels (coke powder, anthracite, etc.) and gaseous fuel combustion to provide raw materials for the blast furnace iron-making process. The carbon in the iron-making process mainly comes from coke and blown coal powder, with a small amount coming from, for example, limestone.

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Multi-process and multi-pollutant control technology for …

Air pollutants in the iron and steel industry come from the blast furnace, coke oven, sintering, pellet, iron alloy furnace and other processes (Zou et al., 2020). The raw materials of the blast furnace are mainly sinter, pellet and lump ore. The burden structure is generally sinter in China, accounting for about 70% (Zou et al., 2019).

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Sintering Technology Using Parallel Granulation Process at High Pellet

Kakogawa Works of Kobe Steel, Ltd. has a set of sinter and pellet plants for the production of blast furnace raw materials. Recently, the use of magnetite fine ore has attracted attention while deterioration of iron ore grade. ... magnetite is fully oxidized. Using double layer mini-pellet improves productivity and reduces coke consumption ...

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Partial substitution of anthracite for coke breeze in iron ore …

During the sintering process, sinter fuels are commonly used to provide the required energy. The coke breeze comes from coking plant (typically less than 3 mm in …

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(PDF) Iron Ore Sintering: Process

Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents and solid fuel (coke). The purpose of the ...

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Prediction of Sinter Properties Using a Hyper-Parameter …

As the consumption of both coke and limestone is comparatively less in G 43 than in H 43, G 43 is preferable. ... These slimes can be agglomerated into micro-pellets for subsequent use in sinter making through hybrid pellet sintering method. However, the micro-pellets of sufficient size and strength are required for hybrid sinter making. ...

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Mineralogical Aspects of Reducing Lump Iron Ore, Pellets, and Sinter …

Abstract Iron ore, pellets, and sinter were reduced with hydrogen at 800 °C to understand the degree of reduction and the mineralogical aspects. The weight loss of goethite and limonite iron ore was noticed to be lower than that of magnetite and hematite varieties. X-ray diffractometry (XRD) indicated 100 pct Fe in the case of hematite, 93 pct …

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Sintering: Most Efficient Technologies for Greenhouse …

Increasing the bed depth in the sinter plant can lower fuel consumption by 0.3 kg coke/t-sinter per 10 mm bed thickness increase and may achieve electricity savings of 0.06 kWh/t (0.002 GJ/t) sinter ... and pits. From this group of materials, olive residues, sunflower husk pellets, and Bagasse pellets have been identified, and full chemical ...

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Sinter Plant Operations: Raw Materials | SpringerLink

1.2 Fuel 1.2.1 Coke Breeze . Coke is the major reductant and heat source for blast furnace operation, where the lump coke (25–80 mm) is charged into blast furnace directly, and nut coke (15–25 mm) is mixed with the iron burden (sinter, pellet, or lump) and then charged into the furnace.

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Case Analysis of Blast Furnace Consumption Technology …

The coke was crushed to a block with a particle size of 5 mm and laid on the bottom of a graphite crucible. The 6–10 mm size of massive sinter and pellets are mixed according to the preset ratio, and then placed on the upper layer of coke. The total mass of sinter and pellet is 500 g, and excess coke is 200 g.

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Utilization of Biomass Pellets in the Iron Ore Sintering …

Biopellets were grinded to below 3 mm size to be used as a fuel substitution for sintering process. Table 2 shows the proximate and ultimate analysis along with the …

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(PDF) Iron Ore Sintering: Quality Indices

Sinter plants process a mixture of iron ore fines, recycled ironmaking products, slag-forming agents and solid fuel (coke) with the finality of obtaining a product with the suitable ...

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A comparative study of pellets, sinter and mixed …

Raw materials. Commercially supplied iron ore pellets and sinter of size range 10–13 mm are utilised in the present study. Comparable to the utilisation in the industrial blast furnace, two types of …

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